NVIDIA T400 4GB vs NVIDIA Tesla M40

Comparative analysis of NVIDIA T400 4GB and NVIDIA Tesla M40 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

NVIDIA T400 4GB

NVIDIA Tesla M40

Differences

Reasons to consider the NVIDIA T400 4GB

Videocard is newer: launch date 5 year(s) 5 month(s) later
Around 28% higher boost clock speed: 1425 MHz vs 1114 MHz
159.9x more texture fill rate: 34.20 GTexel/s vs 213.9 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 12 nm vs 28 nm
8.3x lower typical power consumption: 30 Watt vs 250 Watt
Around 45% better performance in PassMark - G2D Mark: 654 vs 452

Specifications (specs)
Launch date	6 May 2021 vs 10 November 2015
Boost clock speed	1425 MHz vs 1114 MHz
Texture fill rate	34.20 GTexel/s vs 213.9 GTexel / s
Manufacturing process technology	12 nm vs 28 nm
Thermal Design Power (TDP)	30 Watt vs 250 Watt
Benchmarks
PassMark - G2D Mark	654 vs 452

Reasons to consider the NVIDIA Tesla M40

2.3x more core clock speed: 948 MHz vs 420 MHz
8x more pipelines: 3072 vs 384
3x more maximum memory size: 12 GB vs 4 GB
4.8x more memory clock speed: 6008 MHz vs 1250 MHz, 10 Gbps effective
2.8x better performance in PassMark - G3D Mark: 10465 vs 3765
2.3x better performance in Geekbench - OpenCL: 39269 vs 17222

Specifications (specs)
Core clock speed	948 MHz vs 420 MHz
Pipelines	3072 vs 384
Maximum memory size	12 GB vs 4 GB
Memory clock speed	6008 MHz vs 1250 MHz, 10 Gbps effective
Benchmarks
PassMark - G3D Mark	10465 vs 3765
Geekbench - OpenCL	39269 vs 17222

Compare benchmarks

GPU 1: NVIDIA T400 4GB
GPU 2: NVIDIA Tesla M40

PassMark - G2D Mark

GPU 1

GPU 2

654

452

PassMark - G3D Mark

GPU 1

GPU 2

3765

10465

Geekbench - OpenCL

GPU 1

GPU 2

17222

39269

Name	NVIDIA T400 4GB	NVIDIA Tesla M40
PassMark - G2D Mark	654	452
PassMark - G3D Mark	3765	10465
Geekbench - OpenCL	17222	39269
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		183.81
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		2637.997
CompuBench 1.5 Desktop - T-Rex (Frames/s)		13.059
CompuBench 1.5 Desktop - Video Composition (Frames/s)		160.359
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		688.388

Compare specifications (specs)

	NVIDIA T400 4GB	NVIDIA Tesla M40
Essentials
Architecture	Turing	Maxwell 2.0
Code name	TU117	GM200
Launch date	6 May 2021	10 November 2015
Place in performance rating	258	265
Type		Workstation
Technical info
Boost clock speed	1425 MHz	1114 MHz
Core clock speed	420 MHz	948 MHz
Manufacturing process technology	12 nm	28 nm
Peak Double Precision (FP64) Performance	34.20 GFLOPS (1:32)
Peak Half Precision (FP16) Performance	2.189 TFLOPS (2:1)
Peak Single Precision (FP32) Performance	1,094 GFLOPS
Pipelines	384	3072
Pixel fill rate	22.80 GPixel/s
Texture fill rate	34.20 GTexel/s	213.9 GTexel / s
Thermal Design Power (TDP)	30 Watt	250 Watt
Transistor count	4700 million	8,000 million
Floating-point performance		6,844 gflops
Video outputs and ports
Display Connectors	3x mini-DisplayPort 1.4a	No outputs
Compatibility, dimensions and requirements
Form factor	Single-slot
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Recommended system power (PSU)	200 Watt
Supplementary power connectors	None	1x 6-pin + 1x 8-pin
Length		267 mm
API support
DirectX	12 (12_1)	12.0 (12_1)
OpenCL	3.0
OpenGL	4.6	4.6
Shader Model	6.7 (6.4)
Vulkan
Memory
Maximum RAM amount	4 GB	12 GB
Memory bandwidth	80.00 GB/s	288.0 GB / s
Memory bus width	64 bit	384 Bit
Memory clock speed	1250 MHz, 10 Gbps effective	6008 MHz
Memory type	GDDR6	GDDR5